CVE-2020-36403
HTSlib Buffer Overflow Write
Description
HTSlib through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read).
INFO
Published Date :
July 1, 2021, 3:15 a.m.
Last Modified :
Feb. 3, 2023, 6:51 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-36403.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24097 | Exploit Issue Tracking Patch Third Party Advisory |
| https://github.com/google/oss-fuzz-vulns/blob/main/vulns/htslib/OSV-2020-955.yaml | Third Party Advisory |
| https://github.com/samtools/htslib/commit/dcd4b7304941a8832fba2d0fc4c1e716e7a4e72c | Patch Third Party Advisory |
| https://github.com/samtools/htslib/pull/1447 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-36403 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-36403 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 03, 2023
Action Type Old Value New Value Changed Reference Type https://github.com/samtools/htslib/pull/1447 No Types Assigned https://github.com/samtools/htslib/pull/1447 Exploit, Third Party Advisory Changed CPE Configuration AND OR *cpe:2.3:a:htslib:htslib:*:*:*:*:*:*:*:* versions from (including) 1.10 up to (including) 1.10.2 OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* AND OR *cpe:2.3:a:htslib:htslib:*:*:*:*:*:*:*:* versions up to (including) 1.10.2 OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 10, 2022
Action Type Old Value New Value Changed Description HTSlib 1.10 through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read). HTSlib through 1.10.2 allows out-of-bounds write access in vcf_parse_format (called from vcf_parse and vcf_read). Added Reference https://github.com/samtools/htslib/pull/1447 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 06, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24097 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24097 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/google/oss-fuzz-vulns/blob/main/vulns/htslib/OSV-2020-955.yaml No Types Assigned https://github.com/google/oss-fuzz-vulns/blob/main/vulns/htslib/OSV-2020-955.yaml Third Party Advisory Changed Reference Type https://github.com/samtools/htslib/commit/dcd4b7304941a8832fba2d0fc4c1e716e7a4e72c No Types Assigned https://github.com/samtools/htslib/commit/dcd4b7304941a8832fba2d0fc4c1e716e7a4e72c Patch, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:a:htslib:htslib:*:*:*:*:*:*:*:* versions from (including) 1.10 up to (including) 1.10.2 OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-36403 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-36403
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.45 }} 0.04%
score
0.74461
percentile